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Species Page - Pterostichus corvinus
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scientific name    Pterostichus corvinus    

habitat
Very hygrophilous, found at borders of often small waters with soft, moist soil and rich vegetation.

seasonality
Adults collected from May to September.

identification
Member of the corvinus group, (subgenus Omaseus). Very convex. Deep black, shiny, appendages slightly paler. Prothorax only moderately constricted at base, hind-angles almost right, blunt, basal foveae deep, more or less punctate, lateral carina strong. Elytral striae finely punctate with convexity, depth and intervals, respectively, the former finely punctate. Length 11.5 to 15 mm.

life history
Larvae are fully grown around the beginning of June. Immature beetles collected from June to August.

conservation
Moderately common.

diet info
Both larvae and adults are predatory.

range
This species is recorded from the northern half of United States, and most of Canada. In Alberta this species has been collected only in the east-central region.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=5013



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References (2)
Specimen Info
There are 229 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (229)

 

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